./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 387eb58289d3e1cc3cec52bc8eea565b3cbd0c2e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:36:17,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:36:17,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:36:17,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:36:17,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:36:17,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:36:17,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:36:17,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:36:17,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:36:17,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:36:17,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:36:17,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:36:17,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:36:17,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:36:17,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:36:17,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:36:17,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:36:17,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:36:17,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:36:17,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:36:17,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:36:17,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:36:17,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:36:17,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:36:17,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:36:17,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:36:17,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:36:17,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:36:17,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:36:17,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:36:17,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:36:17,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:36:17,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:36:17,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:36:17,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:36:17,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:36:17,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:36:17,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:36:17,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:36:17,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:36:17,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:36:17,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:36:17,538 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:36:17,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:36:17,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:36:17,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:36:17,541 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:36:17,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:36:17,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:36:17,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:36:17,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:36:17,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:36:17,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:36:17,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:36:17,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:36:17,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:36:17,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:36:17,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:36:17,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:36:17,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:36:17,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:36:17,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:36:17,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:36:17,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:36:17,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:36:17,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:36:17,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:36:17,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:36:17,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:36:17,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:36:17,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:36:17,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 387eb58289d3e1cc3cec52bc8eea565b3cbd0c2e [2020-11-29 18:36:17,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:36:17,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:36:17,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:36:17,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:36:17,893 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:36:17,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label02.c [2020-11-29 18:36:17,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/data/aff144220/ab09c11597ca4237a41bf07419a39b42/FLAG59afd370f [2020-11-29 18:36:18,716 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:36:18,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/sv-benchmarks/c/eca-rers2012/Problem03_label02.c [2020-11-29 18:36:18,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/data/aff144220/ab09c11597ca4237a41bf07419a39b42/FLAG59afd370f [2020-11-29 18:36:18,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/data/aff144220/ab09c11597ca4237a41bf07419a39b42 [2020-11-29 18:36:18,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:36:18,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:36:18,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:36:18,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:36:18,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:36:18,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:18" (1/1) ... [2020-11-29 18:36:18,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262acbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:18, skipping insertion in model container [2020-11-29 18:36:18,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:18" (1/1) ... [2020-11-29 18:36:18,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:36:18,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:36:19,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:36:19,767 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:36:20,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:36:20,264 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:36:20,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20 WrapperNode [2020-11-29 18:36:20,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:36:20,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:36:20,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:36:20,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:36:20,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:36:20,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:36:20,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:36:20,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:36:20,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... [2020-11-29 18:36:20,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:36:20,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:36:20,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:36:20,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:36:20,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:36:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:36:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:36:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:36:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:36:23,001 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:36:23,002 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:36:23,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:23 BoogieIcfgContainer [2020-11-29 18:36:23,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:36:23,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:36:23,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:36:23,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:36:23,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:36:18" (1/3) ... [2020-11-29 18:36:23,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c56b712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:23, skipping insertion in model container [2020-11-29 18:36:23,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:20" (2/3) ... [2020-11-29 18:36:23,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c56b712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:23, skipping insertion in model container [2020-11-29 18:36:23,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:23" (3/3) ... [2020-11-29 18:36:23,016 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label02.c [2020-11-29 18:36:23,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:36:23,034 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:36:23,046 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:36:23,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:36:23,092 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:36:23,093 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:36:23,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:36:23,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:36:23,093 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:36:23,093 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:36:23,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:36:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 18:36:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-29 18:36:23,157 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:23,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:23,159 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:23,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:23,165 INFO L82 PathProgramCache]: Analyzing trace with hash -635106638, now seen corresponding path program 1 times [2020-11-29 18:36:23,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:23,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728073823] [2020-11-29 18:36:23,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:24,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728073823] [2020-11-29 18:36:24,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:24,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:36:24,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950901040] [2020-11-29 18:36:24,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:24,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:24,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:24,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:24,065 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 18:36:25,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:25,700 INFO L93 Difference]: Finished difference Result 811 states and 1446 transitions. [2020-11-29 18:36:25,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:25,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-29 18:36:25,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:25,720 INFO L225 Difference]: With dead ends: 811 [2020-11-29 18:36:25,720 INFO L226 Difference]: Without dead ends: 444 [2020-11-29 18:36:25,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-11-29 18:36:25,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2020-11-29 18:36:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-11-29 18:36:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 633 transitions. [2020-11-29 18:36:25,802 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 633 transitions. Word has length 204 [2020-11-29 18:36:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:25,804 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 633 transitions. [2020-11-29 18:36:25,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2020-11-29 18:36:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-29 18:36:25,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:25,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:25,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:36:25,812 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:25,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:25,813 INFO L82 PathProgramCache]: Analyzing trace with hash -957143213, now seen corresponding path program 1 times [2020-11-29 18:36:25,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:25,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326452305] [2020-11-29 18:36:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:25,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326452305] [2020-11-29 18:36:25,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:25,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:36:25,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570593895] [2020-11-29 18:36:25,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:25,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:25,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:25,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:25,987 INFO L87 Difference]: Start difference. First operand 444 states and 633 transitions. Second operand 3 states. [2020-11-29 18:36:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:27,190 INFO L93 Difference]: Finished difference Result 1312 states and 1878 transitions. [2020-11-29 18:36:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:27,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-29 18:36:27,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:27,198 INFO L225 Difference]: With dead ends: 1312 [2020-11-29 18:36:27,198 INFO L226 Difference]: Without dead ends: 870 [2020-11-29 18:36:27,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-11-29 18:36:27,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-11-29 18:36:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-11-29 18:36:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1192 transitions. [2020-11-29 18:36:27,247 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1192 transitions. Word has length 212 [2020-11-29 18:36:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:27,247 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1192 transitions. [2020-11-29 18:36:27,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1192 transitions. [2020-11-29 18:36:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-29 18:36:27,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:27,255 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:27,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:36:27,255 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:27,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2015577718, now seen corresponding path program 1 times [2020-11-29 18:36:27,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:27,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590005775] [2020-11-29 18:36:27,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:36:27,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590005775] [2020-11-29 18:36:27,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:27,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:36:27,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296950257] [2020-11-29 18:36:27,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:27,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:27,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:27,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:27,428 INFO L87 Difference]: Start difference. First operand 856 states and 1192 transitions. Second operand 3 states. [2020-11-29 18:36:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:28,801 INFO L93 Difference]: Finished difference Result 2535 states and 3531 transitions. [2020-11-29 18:36:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:28,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-11-29 18:36:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:28,815 INFO L225 Difference]: With dead ends: 2535 [2020-11-29 18:36:28,816 INFO L226 Difference]: Without dead ends: 1681 [2020-11-29 18:36:28,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:28,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-11-29 18:36:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1680. [2020-11-29 18:36:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-11-29 18:36:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2199 transitions. [2020-11-29 18:36:28,887 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2199 transitions. Word has length 224 [2020-11-29 18:36:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:28,888 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2199 transitions. [2020-11-29 18:36:28,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2199 transitions. [2020-11-29 18:36:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-29 18:36:28,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:28,897 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:28,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:36:28,898 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:28,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1798431912, now seen corresponding path program 1 times [2020-11-29 18:36:28,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:28,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695445661] [2020-11-29 18:36:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:36:29,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695445661] [2020-11-29 18:36:29,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:29,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:36:29,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046169853] [2020-11-29 18:36:29,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:29,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:29,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:29,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:29,091 INFO L87 Difference]: Start difference. First operand 1680 states and 2199 transitions. Second operand 3 states. [2020-11-29 18:36:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:30,534 INFO L93 Difference]: Finished difference Result 4173 states and 5626 transitions. [2020-11-29 18:36:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:30,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-11-29 18:36:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:30,549 INFO L225 Difference]: With dead ends: 4173 [2020-11-29 18:36:30,550 INFO L226 Difference]: Without dead ends: 2495 [2020-11-29 18:36:30,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:30,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-11-29 18:36:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2492. [2020-11-29 18:36:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2492 states. [2020-11-29 18:36:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3162 transitions. [2020-11-29 18:36:30,620 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3162 transitions. Word has length 230 [2020-11-29 18:36:30,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:30,621 INFO L481 AbstractCegarLoop]: Abstraction has 2492 states and 3162 transitions. [2020-11-29 18:36:30,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3162 transitions. [2020-11-29 18:36:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-29 18:36:30,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:30,628 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:30,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:36:30,629 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:30,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1770164706, now seen corresponding path program 1 times [2020-11-29 18:36:30,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:30,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727109082] [2020-11-29 18:36:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:30,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727109082] [2020-11-29 18:36:30,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112619886] [2020-11-29 18:36:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:31,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:36:31,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:36:31,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:36:31,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:36:31,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113708357] [2020-11-29 18:36:31,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:31,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:31,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:31,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:36:31,454 INFO L87 Difference]: Start difference. First operand 2492 states and 3162 transitions. Second operand 3 states. [2020-11-29 18:36:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:32,883 INFO L93 Difference]: Finished difference Result 7430 states and 9430 transitions. [2020-11-29 18:36:32,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:32,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-11-29 18:36:32,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:32,913 INFO L225 Difference]: With dead ends: 7430 [2020-11-29 18:36:32,913 INFO L226 Difference]: Without dead ends: 4940 [2020-11-29 18:36:32,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:36:32,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2020-11-29 18:36:33,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4937. [2020-11-29 18:36:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4937 states. [2020-11-29 18:36:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6020 transitions. [2020-11-29 18:36:33,053 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6020 transitions. Word has length 232 [2020-11-29 18:36:33,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:33,054 INFO L481 AbstractCegarLoop]: Abstraction has 4937 states and 6020 transitions. [2020-11-29 18:36:33,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6020 transitions. [2020-11-29 18:36:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-29 18:36:33,066 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:33,067 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:33,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:33,294 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:33,294 INFO L82 PathProgramCache]: Analyzing trace with hash -681422426, now seen corresponding path program 1 times [2020-11-29 18:36:33,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:33,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243588699] [2020-11-29 18:36:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:36:33,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243588699] [2020-11-29 18:36:33,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:33,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:36:33,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361647581] [2020-11-29 18:36:33,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:33,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:33,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:33,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:33,474 INFO L87 Difference]: Start difference. First operand 4937 states and 6020 transitions. Second operand 3 states. [2020-11-29 18:36:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:34,240 INFO L93 Difference]: Finished difference Result 9840 states and 11995 transitions. [2020-11-29 18:36:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:34,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-11-29 18:36:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:34,269 INFO L225 Difference]: With dead ends: 9840 [2020-11-29 18:36:34,269 INFO L226 Difference]: Without dead ends: 4905 [2020-11-29 18:36:34,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:34,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2020-11-29 18:36:34,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 4905. [2020-11-29 18:36:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4905 states. [2020-11-29 18:36:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 5821 transitions. [2020-11-29 18:36:34,391 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 5821 transitions. Word has length 239 [2020-11-29 18:36:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:34,392 INFO L481 AbstractCegarLoop]: Abstraction has 4905 states and 5821 transitions. [2020-11-29 18:36:34,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 5821 transitions. [2020-11-29 18:36:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-11-29 18:36:34,407 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:34,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:34,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:36:34,409 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:34,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:34,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1933493450, now seen corresponding path program 1 times [2020-11-29 18:36:34,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:34,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647539675] [2020-11-29 18:36:34,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:34,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647539675] [2020-11-29 18:36:34,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264099590] [2020-11-29 18:36:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:34,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:36:34,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:36:34,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:36:34,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:36:34,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143379182] [2020-11-29 18:36:34,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:34,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:36:34,949 INFO L87 Difference]: Start difference. First operand 4905 states and 5821 transitions. Second operand 3 states. [2020-11-29 18:36:36,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:36,161 INFO L93 Difference]: Finished difference Result 13672 states and 16221 transitions. [2020-11-29 18:36:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:36,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2020-11-29 18:36:36,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:36,213 INFO L225 Difference]: With dead ends: 13672 [2020-11-29 18:36:36,213 INFO L226 Difference]: Without dead ends: 8769 [2020-11-29 18:36:36,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:36:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8769 states. [2020-11-29 18:36:36,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8769 to 8762. [2020-11-29 18:36:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8762 states. [2020-11-29 18:36:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8762 states to 8762 states and 10236 transitions. [2020-11-29 18:36:36,480 INFO L78 Accepts]: Start accepts. Automaton has 8762 states and 10236 transitions. Word has length 242 [2020-11-29 18:36:36,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:36,481 INFO L481 AbstractCegarLoop]: Abstraction has 8762 states and 10236 transitions. [2020-11-29 18:36:36,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 8762 states and 10236 transitions. [2020-11-29 18:36:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-29 18:36:36,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:36,506 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:36,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:36,726 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:36,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1400645177, now seen corresponding path program 1 times [2020-11-29 18:36:36,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:36,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428507674] [2020-11-29 18:36:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:36:37,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428507674] [2020-11-29 18:36:37,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:37,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:36:37,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583366691] [2020-11-29 18:36:37,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:37,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:37,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:37,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:37,036 INFO L87 Difference]: Start difference. First operand 8762 states and 10236 transitions. Second operand 3 states. [2020-11-29 18:36:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:38,185 INFO L93 Difference]: Finished difference Result 21183 states and 24680 transitions. [2020-11-29 18:36:38,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:38,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-29 18:36:38,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:38,232 INFO L225 Difference]: With dead ends: 21183 [2020-11-29 18:36:38,232 INFO L226 Difference]: Without dead ends: 12423 [2020-11-29 18:36:38,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:36:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2020-11-29 18:36:38,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 12420. [2020-11-29 18:36:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12420 states. [2020-11-29 18:36:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12420 states to 12420 states and 14227 transitions. [2020-11-29 18:36:38,545 INFO L78 Accepts]: Start accepts. Automaton has 12420 states and 14227 transitions. Word has length 327 [2020-11-29 18:36:38,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:38,546 INFO L481 AbstractCegarLoop]: Abstraction has 12420 states and 14227 transitions. [2020-11-29 18:36:38,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12420 states and 14227 transitions. [2020-11-29 18:36:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-29 18:36:38,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:38,574 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:38,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:36:38,574 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:38,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1326793056, now seen corresponding path program 1 times [2020-11-29 18:36:38,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:38,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414760804] [2020-11-29 18:36:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:38,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414760804] [2020-11-29 18:36:38,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282600910] [2020-11-29 18:36:38,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:39,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:36:39,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-11-29 18:36:39,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:36:39,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 18:36:39,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965209019] [2020-11-29 18:36:39,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:36:39,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:36:39,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:36:39,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:36:39,289 INFO L87 Difference]: Start difference. First operand 12420 states and 14227 transitions. Second operand 3 states. [2020-11-29 18:36:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:40,468 INFO L93 Difference]: Finished difference Result 24837 states and 28453 transitions. [2020-11-29 18:36:40,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:40,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2020-11-29 18:36:40,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:40,470 INFO L225 Difference]: With dead ends: 24837 [2020-11-29 18:36:40,470 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:36:40,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:36:40,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:36:40,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:36:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:36:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:36:40,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2020-11-29 18:36:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:40,494 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:36:40,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:36:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:36:40,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:36:40,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:36:40,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:36:40,900 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 18:36:40,900 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 18:36:40,900 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,901 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,902 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 18:36:40,903 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,904 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,905 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,906 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,907 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,908 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,909 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,910 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,911 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,912 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,913 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,914 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 18:36:40,915 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 18:36:40,916 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,917 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 18:36:40,918 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,919 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,920 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse0 (= ~a5~0 1)) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1 (<= ~a6~0 0)) (and .cse0 (= ~a26~0 1) .cse1) (and (<= ~a11~0 0) .cse0) (and .cse0 .cse1 (= ~a3~0 1)) (and .cse0 (= ~a27~0 1) .cse1))) [2020-11-29 18:36:40,920 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,920 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,920 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,920 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 18:36:40,920 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,921 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,922 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,923 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse0 (= ~a5~0 1)) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1 (<= ~a6~0 0)) (and .cse0 (= ~a26~0 1) .cse1) (and (<= ~a11~0 0) .cse0) (and .cse0 .cse1 (= ~a3~0 1)) (and .cse0 (= ~a27~0 1) .cse1))) [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,924 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,925 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 18:36:40,926 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 18:36:40,927 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,928 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,929 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,930 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,931 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,932 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,933 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 18:36:40,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:36:40 BoogieIcfgContainer [2020-11-29 18:36:40,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:36:40,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:36:40,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:36:40,955 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:36:40,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:23" (3/4) ... [2020-11-29 18:36:40,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:36:40,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:36:41,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:36:41,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:36:41,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:36:41,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_77997e6a-75a2-45c8-a7bc-e9c81bbeeaef/bin/uautomizer/witness.graphml [2020-11-29 18:36:41,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:36:41,279 INFO L168 Benchmark]: Toolchain (without parser) took 22425.37 ms. Allocated memory was 77.6 MB in the beginning and 815.8 MB in the end (delta: 738.2 MB). Free memory was 53.9 MB in the beginning and 601.0 MB in the end (delta: -547.1 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,279 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:36:41,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1411.50 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 53.9 MB in the beginning and 58.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.28 ms. Allocated memory is still 104.9 MB. Free memory was 58.2 MB in the beginning and 71.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,280 INFO L168 Benchmark]: Boogie Preprocessor took 138.81 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 60.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,281 INFO L168 Benchmark]: RCFGBuilder took 2426.41 ms. Allocated memory was 104.9 MB in the beginning and 165.7 MB in the end (delta: 60.8 MB). Free memory was 60.7 MB in the beginning and 50.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,281 INFO L168 Benchmark]: TraceAbstraction took 17948.54 ms. Allocated memory was 165.7 MB in the beginning and 815.8 MB in the end (delta: 650.1 MB). Free memory was 49.3 MB in the beginning and 638.7 MB in the end (delta: -589.4 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,281 INFO L168 Benchmark]: Witness Printer took 322.03 ms. Allocated memory is still 815.8 MB. Free memory was 638.7 MB in the beginning and 601.0 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:41,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1411.50 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 53.9 MB in the beginning and 58.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.28 ms. Allocated memory is still 104.9 MB. Free memory was 58.2 MB in the beginning and 71.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.81 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 60.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2426.41 ms. Allocated memory was 104.9 MB in the beginning and 165.7 MB in the end (delta: 60.8 MB). Free memory was 60.7 MB in the beginning and 50.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17948.54 ms. Allocated memory was 165.7 MB in the beginning and 815.8 MB in the end (delta: 650.1 MB). Free memory was 49.3 MB in the beginning and 638.7 MB in the end (delta: -589.4 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. * Witness Printer took 322.03 ms. Allocated memory is still 815.8 MB. Free memory was 638.7 MB in the beginning and 601.0 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((a5 == 1 && a11 == 1) && a6 <= 0) || ((a5 == 1 && a26 == 1) && a11 == 1)) || (a11 <= 0 && a5 == 1)) || ((a5 == 1 && a11 == 1) && a3 == 1)) || ((a5 == 1 && a27 == 1) && a11 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((a5 == 1 && a11 == 1) && a6 <= 0) || ((a5 == 1 && a26 == 1) && a11 == 1)) || (a11 <= 0 && a5 == 1)) || ((a5 == 1 && a11 == 1) && a3 == 1)) || ((a5 == 1 && a27 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1914 SDtfs, 1390 SDslu, 195 SDs, 0 SdLazy, 4886 SolverSat, 1171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 830 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12420occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 97 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1780 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3052 NumberOfCodeBlocks, 3052 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3040 ConstructedInterpolants, 0 QuantifiedInterpolants, 1683766 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1493 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 750/774 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...